A FIRST-AND SECOND-ORDER TURBULENCE MODELS IN HYDROGEN NON-PREMIXED FLAME

被引：7

作者：

Oumrani, N. ^{[1
]}

Aouissi, M. ^{[2
]}

Bounif, A. ^{[1
]}

Yssaad, B. ^{[1
]}

Tabet, F. ^{[1
]}

Gokalp, I. ^{[3
]}

机构：

[1] USTORAN, Inst Genie Mecan, Lab Carburants Gazeux & Environnement, Cape Town, South Africa

[2] Univ Laghouat, Lab Mecan, Laghouat 03000, Algeria

[3] Ctr Natl Rech Sci 1 Orleans, Lab Combust & Syst Reactifs, Orleans, France

来源：

INTERNATIONAL JOURNAL OF HEAT AND TECHNOLOGY | 2015年 / 33卷 / 03期

关键词：

Hydrogen; Modelling; Fluid Mechanics; Simulation; Jet; Variable density; CFD; RANS;

D O I：

10.18280/ijht.330304

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The mathematical modelling of turbulent flames is a difficult task due to the intense coupling between turbulent transport processes and chemical kinetics. The model presented within this paper is focused on the turbulence-chemistry interaction. The topic of this study is the numerical simulation of turbulent non-premixed hydrogen flame with different turbulent models in order to invest gate their predictive capability. The two turbulent models are compared: the (k-e) model with a limited Pope's correction and the Reynolds stress model (RSM). The predictions are validated against experimental data provided by Raman and laser Doppler anemometry (LDA) measurements for a turbulent jet hydrogen-air diffusion flame. The turbulence- chemistry interaction is handled with flame let approach. Simulations of test cases with simple geometries verify the developed model and compare favourably with results of earlier investigations that employed both (k-e) and RSM closures with the CMC and PDF approaches [5, 7].

引用

页码：27 / 34

页数：8

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